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Hydraulic Disc Brake System
Explosion-Proof Solenoid Reversing Valve BKD-Z-X1 for oilfield drilling equipment maintenance and replacement. Send part number, equipment model or product photo for quotation and compatibility support.

Explosion-Proof Solenoid Reversing Valve BKD-Z-X1 for oilfield drilling equipment maintenance and replacement. Send part number, equipment model or product photo for quotation and compatibility support.
Specification matching, export packaging, WhatsApp and email communication support for oilfield buyers.
Specifications
Source specification tables preserve merged cells while structured admin data remains editable.
| Hydraulic Disc-Brake Unit | |||
|---|---|---|---|
| Name | No. 1 | Name | No. 1 |
| Safety Tong | PSZ75A | Repair Kit | KG80 |
| Safety Tong | PSZ65A/D | Repair Kit | KG75 |
| Working Tong | PSZ75A | Repair Kit | BG120 |
| Working Tong | PSZ65A/D | Repair Kit | KG120 |
| Safety Caliper Hydraulic Cylinder Assembly | PSZ75A | Disc Spring | 140*8 |
| Safety Caliper Hydraulic Cylinder Assembly | PSZ65A | Tension Spring | KG80/75 FT-A |
| Working Cylinder Assembly | PSZ75/65 | Roller | KG80 30*223 |
| Repair Kit | PSZ75/65 | Roller | KG80 40*270 |
| Repair Kit | PSZ75/65 | Roller | KG80 30*144 |
| Disc Spring | 140*10 | Safety Caliper Hydraulic Cylinder Assembly | PZ40 |
| Disc Spring | 140*10 | Safety Caliper Hydraulic Cylinder Assembly | PZ40 |
| Tension Spring | PSZ75/65,PZ40 | Safety Caliper Hydraulic Cylinder Assembly | PZ40 |
| Working Cylinder Assembly | BG80 | Repair Kit | PZ40 |
| Safety Caliper Hydraulic Cylinder Assembly | KG80 | Repair Kit | PZ40 |
| Safety Caliper Hydraulic Cylinder Assembly | KG75 | Repair Kit | PZ40 |
| Working Cylinder Assembly | BG120 | Disc Spring | 140*8 |
| Safety Caliper Hydraulic Cylinder Assembly | KG120 | Working Cylinder Assembly | BG-00 |
| Repair Kit | BG80 | Safety Caliper Hydraulic Cylinder Assembly | KG-00 |
| Repair Kit | KG80 | Repair Kit | BG-00 |
| Repair Kit | KG75 | Repair Kit | KG-00 |
| Repair Kit | BG120 | Disc Spring | JG185-05/BG-47 |
| Repair Kit | KG120 | Tension Spring | SC125-03 KQ-48 |
| Name | No. 1 | No. 2 | No. 3 |
| Safety tong | PSZ75A-2-00 | BK-0-7A | |
| Brake Shoe | PSZ75A-2-01 | BK-1-7A | |
| Spring Washer 12 | GB862.1-87 | M12 | |
| Hex Bolt M12 × 30 | GB32.1-88A-86 | M12×30 | |
| Tong Body | PSZ75A-2-02.00 | BK-2-7A | |
| Bushing | PSZ75A-2-14 | BK-3-7A | |
| Roller | PSZ75A-2-16 | BK-4-7A | |
| Bushing | PSZ75A-2-15 | BK-3-7A1 | |
| Lever | PSZ75A-2-03 | BK-5-7A | |
| Plug | PSZ75A-2-09 | BK-6-7A | |
| Welded Bolt M6 × 15 | GB68-85 | GB68-85 | M6×12 |
| Roller | PSZ75A-2-08 | BK-4-7A1 | |
| Bushing | PSZ75A-2-07 | BK-3-7A2 | |
| Retaining Ring 35 | GB894.2-86 | GB894.2-86 | |
| Oiler M8*1 | GB1152-79 | GB1152-79 | M8×1 |
| Safety Caliper Hydraulic Cylinder Assembly | PSZ75A-2-6.0 | BK-7-7A | |
| Bushing | PSZ75A-2-10 | BK-3-7A3 | |
| Bushing | PSZ75A-2-13 | BK-3-7A4 | |
| Roller | PSZ75A-2-11 | BK-4-7A2 | |
| Thrust Half-Ring | PSZ75A-2-12 | BK-8-7A | |
| Hex Bolt M10*15 | GB5782-86 | GB5782-86 | M10×16 |
| Retaining Ring 85 | GB894.2-86 | GB894.2-86 | |
| Beam Support | PSZ75A-2-04 | BK-9-7A | |
| Plate | PSZ75A-2-05 | BK-10-7A | |
| Washer 10 | GB93-87 | GB93-87 | |
| Safety Caliper Hydraulic Cylinder Assembly | PSZ75A-2-06.00 | BK-7-7A | |
| Dust Ring | A5 8008 N3587 | BK-SR-1 | |
| OD Ring | BA8007 00030 | BK-SR-2 | |
| Guide Band, L = 255 | F3 0000 052 25097A | BK-GB-1 | L=255 |
| O-ring 145*3.55 | GB3452.1-92 | BK-SR-3 | |
| O-Ring | OK 0150 00701 | BK-SR-4 | |
| C2 Seal Ring | C2 F015 N3584 | BK-SR-5 | |
| Guide Bushing | PSZ75A-2-06.04 | BK-7-7A3 | |
| Disc Spring | PSZ75A-2-06.03 | BK-7-7A4 | |
| Copper Bushing | PSZ75A-2-06.05 | BK7-7A5 | |
| Thrust Ring | PSZ75A-2-06.07 | BK7-7A9 | |
| Name | No. 1 | No. 2 | No. 3 |
| Working Tong | PSZ75A-3-00 | BK-00-7A | |
| Brake Shoe | PSZ75A-2-01 | BK-1-7A | |
| Spring Washer 12 | GB93-87 | GB93-87 | M12 |
| Hex Bolt M12 × 30 | GB5782-86 | GB5782-86 | M12×30 |
| Tong Body | PSZ75A-2-02.00 | BK-2-7A | |
| Bushing | PSZ75A-2-15 | BK-3-7A | |
| Stud | PSZ75A-2-16 | BK-4-7A | |
| Bushing | PSZ75A-2-14 | BK-3-7A1 | |
| Lever | PSZ75A-3-01 | BK-5-7Ag | |
| Plug | PSZ75A-2-09 | BK-6-7A | |
| Welded Bolt M6 × 12 | GB879-86 | GB879-86 | M6×12 |
| Nut M16 | GB6170-86 | GB6170-86 | |
| Plate | PSZ75A-2-05 | BK-10-7A | |
| Stud | PSZ75A-3-05 | BK-4-7A3 | |
| Adjusting Rod | PSZ75A-3-04 | BK-11-7A | |
| Bushing | PSZ75A-2-07 | BK-3-7A2 | |
| Bushing | PSZ75A-2-10 | BK-3-7A3 | |
| Working Cylinder Assembly | PSZ75A-3-02.00 | BK-7-7Ag | |
| Bushing | PSZ75A-2-13 | BK-3-7A4 | |
| Stud | PSZ75A-2-11 | BK-4-7A2 | |
| Thrust Half-Ring | PSZ75A-2-12 | BK-8-7A | |
| Hex Bolt M10*15 | GB5782-86 | GB5782-86 | M10×15/16 |
| Grease Fitting M8 × 1 | GB1152-79 | GB1152-79 | M8×1 |
| Tension Spring | PSZ75A-3-03 | BK-12-7A | |
| Beam Support | PSZ75A-2-04 | BK-9-7A | |
| Retaining Ring 85 | GB894.2-86 | GB894.2-86 | |
| Retaining Ring 35 | GB894.2-86 | GB894.2-86 | |
| Name | No. 1 | No. 2 | No. 3 |
| Working Cylinder Assembly | PSZ75A-3-02.00 | BK-7-7Ag | |
| Ring | A5 8008 N3587 | BK-SR-1 | |
| BA ring | BA8007 | BK-SR-2 | |
| Guide Band, L = 255 | FM 3020 W5140 | BK-GB-1 | L=255 |
| O-ring d118×2.65 | GB/T3452.1-92 | BK-SR-7 | |
| Guide Band, L = 380 | FM 3020 W5140 | BK-GB-2 | L=380 |
| Seal Ring | C2 C025 N3584 | BK-SR-6 | |
| Safety Tong | BK-0-6A | BK-0-6C | BKD-0-6D |
| Brake Shoe | BK-1-6A | BK-1-6A | BK-1-6D |
| Spring Washer 12 | GB93-87 | GB93-87 | BKD-11-D1 |
| Hex Bolt M12 × 30 | GB5782-86 | GB5782-86 | BKD-11-S1 |
| Tong Body | BK-2-6A | BK-2-6C | BKD-2-6D |
| Bushing | BK-3-6A | BK-3-6C | BKD-3-6D |
| Roller | BK-4-6A | BK-4-6C | BKD-4-6D |
| Bushing | BK-3-6A1 | BK-3-6C1 | BKD-3-6D1 |
| Lever | BK-5-6A | BK-5-6C | BKD-5-6D |
| Plug | BK-6-6A | BK-6-6A | BKD-6-6D |
| Welded Bolt M6 × 15 | GB819-86 | GB819-86 | BKD-11-S2 |
| Roller | BK-4-6A1 | BK-4-6C1 | BKD-4-6D1 |
| Bushing | BK-3-6A2 | BK-3-6C2 | BKD-3-6D2 |
| Retaining Ring 30 | GB894.2-86 | GB894.2-86 | BKD-12-Q3 |
| Oiler M8*1 | GB1152-79 | M8×1 | M8×1 |
| Safety Caliper Hydraulic Cylinder Assembly | BK-7-6A | BK-7-6C | BKD-7-6D |
| Bushing | BK-3-6A3 | BK-3-6C3 | BKD-3-6D3 |
| Bushing | BK-3-6A4 | BK-3-6C4 | BKD-3-6D5 |
| Roller | BK-4-6A2 | BK-4-6C2 | BKD-4-6D2 |
| Thrust Half-Ring | BK-8-6A | BK-8-6A | BKD-8-6D |
| Hex Bolt M8*15 | GB5782-86 | GB5782-86 | BKD-11-S7 |
| Retaining Ring 75 | GB894.2-86 | GB894.2-86 | BKD-9-6D |
| Beam Support | BK-9-6A | BK-9-6C | BKD-10-6D |
| Plate | BK-10-6A | BK-10-6A | BKD-11-D3 |
| Name | No. 1 | No. 2 | No. 3 |
| Safety Caliper Hydraulic Cylinder Assembly | BK-7-6A | BK-7-6C | BKD-7-6D |
| Ring | BK-SR-1 | BK-SR-1 | BKD-SR-1 |
| Ring | BK-SR-2 | BK-SR-2 | BKD-SR-2 |
| Guide Band, L = 255 | BK-GB-1 | BK-GB-1 | BKD-GB-1 |
| Ring | BK-SR-3 | BK-SR-3 | BKD-SR-3 |
| Ring | BK-SR-4 | BK-SR-4 | BKD-SR-4 |
| Ring | BK-SR-5 | BK-SR-5 | BKD-SR-5 |
| Guide Bushing | BK-7-6A3 | BK-7-6A3 | |
| Disc Spring | BK-7-6A4 | BK-7-6A4 | BKD-7-6D4 |
| Copper Bushing | BK-7-6A5 | BK-7-6A5 | BKD-7-6D5 |
| Thrust Ring | BK-7-6A9 | BK-7-6A9 | BKD-7-6D9 |
| Working Tong | BK-00-6A | BK-00-6C | BKD-00-6D |
| Brake Shoe | BK-1-6A | BK-1-6A | BKD-1-6D |
| Spring Washer 12 | GB93-87 | M12 | BKD-11-D1 |
| Hex Bolt M12 × 30 | GB5782-86 | M12*30 | BKD-11-S1 |
| Tong Body | BK-2-6A | BK-2-6C | BKD-2-6D |
| Bushing | BK-3-6A | BK-3-6C | BKD-3-6D |
| Stud | BK-4-6A | BK-4-6C | BKD-4-6D |
| Bushing | BK-3-6A1 | BK-3-6C1 | BKD-3-6D1 |
| Lever | BK-5-6A | BK-5-6C | BKD-5-6D |
| Plug | BK-6-6A | BK-6-6A | BKD-6-6D |
| Plate | BK-10-6A | BK-10-6A | BKD-10-6D |
| Stud | BK-4-6A3 | BK-4-6C3 | BKD-4-6D3 |
| Adjusting Rod | BK-11-7A | BK-11-7A | BKD-11-7D |
| Bushing | BK-3-6A6 | BK-3-6C6 | BKD-3-6D6 |
| Bushing | BK-3-6A3 | BK-3-6C3 | BKD-3-6D3 |
| Working Cylinder Assembly | BK-7-7Ag | BK-7-7Bg | BKD-7-7Bg |
| Bushing | BK-3-6A4 | BK-3-6C4 | BKD-3-6D5 |
| Stud | BK-4-6A2 | BK-4-6C2 | BKD-4-6D2 |
| Thrust Half-Ring | BK-8-6A | BK-8-6A | BKD-8-6D |
| Tension Spring | BK-12-7A | BK-12-7A | BKD-12-7A |
| Beam Support | BK-9-6A | BK-9-6C | BKD-9-6D |
| Retaining Ring 75 | GB894.2-86 | GB894.2-86 | BKD-12-Q4 |
| Retaining Ring 30 | GB894.2-86 | GB894.2-86 | BKD-12-Q3 |
| Name | No. 1 | No. 2 | No. 3 |
| Working Cylinder Assembly | PSZ75A-3-02.00 | BKD-7-7Bg | |
| Ring | A5 8008 N3587 | BKD-SR-1 | |
| BA ring | BA8007 | BKD-SR-2 | |
| Guide Band, L = 255 | FM 3020 W5140 | L=255 | BKD-GB-1 |
| O-ring d118×2.65 | GB/T3452.1-92 | BKD-SR-7 | |
| Guide Band, L = 380 | FM 3020 W5140 | L=380 | BKD-GB-2 |
| Seal Ring | C2 C025 N3584 | BKD-SR-6 | |
| Direct-Acting Safety Valve | BK-F-Y | DBS6K10/200 | BKD-F-Y |
| Pressure-Line Filter with Check Valve | ZU.1-E25×10BD-P | BKD-Z-X-7 | Filter Element: HDX-25x10 |
| Check Valve | BK-F-D | BKD-Z-X-6 | 08MK650 |
| Nipple M14*1.5/M22*1.5 | JB984 | M14×1.5/ M22×1.5 | |
| Connector G1/4''/M16 | PT-7 | BKD-Z-X-9 | G1/4″/M16 |
| Back-Pressure Valve | BK-F-G1 BK-DW-QF1 | BKD-F-G1 | QJH-10G |
| Back-Pressure Valve | BK-F-G2 BK-DW-QF2 | BKD-F-G2 | QJH-20G |
| Manual Pump | BKD-Z7 | QH-25 | |
| Back-Pressure Valve | BK-F-G | QJH-15G | |
| Accumulator | BKD-Z-X4 | NXQ-F6.3/200 | |
| Filter | BK-DW-H1 | BKD-Z-L2 | RFA-40×10Y |
| Air Filter | BK-DW-KL | BKD-Z-L1 | QUQ2 |
| Quick coupler 1/4BSP | HA050200 | BK-Z15 | 1/4BSP |
| Quick Coupler 3/8BSP | HA050100 | BK-Z12 | 3/8BSP |
| Rotary Filter | BK-DW-H2 | BKD-Z-L4 | SP-06×25 |
| Gauge 0-16 MPa | BK-DW-B1 | BKD-Z11 | YN60-Ⅲ 0-16 MPa |
| Hose | BKD-Z11 | BKD-Z18 | HFH2-P1-2-P-1.5 |
| Back-Pressure Valve | BK-F-G3 BKD-Z-X-8 | BK-DW-QF3 | PKH10 |
| Splined Coupling | BK-Z4 | ML2 | |
| Plunger Pump | A10VSO10DR/52R-PPA14N00 | BKD-Z3 | |
| Thermometer | BKD-Z1 | BK-DW-YW | YW2-150 |
| Pneumatic Shift Valve | BK-DW-PS-YH | BKD-Z-X2 BK-F-W2 | AP4Z60a 149107451 |
| Explosion-Proof Proportional Valve | BK-DW-PS-BL | BKD-Z-X3 | CP083-MVBPM22-00A |
| PEU Reversing Valve | BK-F-W4 | AK4Z60a 149119425 | |
| Accumulator | BK-DW-PS-XN | ||
| Ball Valve | BK-DW-JJ-QF | BK-DW-PS-QF | PKH10 |
| Control Valve | TK01-01-00A | ||
| Brake Valve Handle | TK01-01-01A | BK-S-B | BK-F-Sdz |
| Brake Valve | BK-F-S | LT07MKA-2X | |
| Brake Valve | BK-T-2 | LT05 | |
| Pneumatic Shift Valve | BK-F-J | K23R5-L8(103) | |
| Brake Valve | BK-F-Z | DG17V-3-2N-60 | |
| Gauge 0-16 MPa | BK-T-4 | YN60-Ⅲ 0-16 MPa | |
| Hose | BK-T-5 | HFH2-P1-2-P-1.5 | |
| Pneumatic Shift Valve | BK-F-3Y | 3WH6B5X | |
| Pneumatic Shift Valve | BK-F-Q | DG18V-3-2AL-B-60 | |
| Name | No. 1 | No. 2 | No. 3 |
| BK-DW-PS-DX | 14/M16x1.5 | ||
| Gauge | BK-DW-PS-YL | M6x25 | |
| BK-DW-LQ | BK-Z26 | KMCL-3Y04 | |
| Pipe Nipple | JB966 | M22/ ZG3/4″ | |
| Gauge | BK-DW-B2 | BK-DW-JJ-KH4 | |
| BK-DW-YK | BK-DW-JJ-CY | ||
| BK-DW-WK | TK30-01-00 | ||
| Drain Valve | BK-DW-JJ-YL1 | TK30-01-02 | |
| Drain Valve | BK-DW-JJ-YL2 | YK01-06-00 | |
| Quick Coupler | BK-DW-JJ-KH1 | Bolt M6x25 | GB/T70.1-2000 |
| Quick Coupler | BK-DW-JJ-KH2 | BK-DW-JJ-GL1 | |
| Quick Coupler | BK-DW-JJ-KH3 | BK-DW-JJ-GL2 | |
| Quick Coupler | BK-DW-JJ-KH4 | BK-DW-PS-GL | |